1 | sclass RepeatColumn extends Predictor {
|
2 | float[] nextColumn(float[] x) {
|
3 | ret x; |
4 | } |
5 | } |
6 | |
7 | sclass ShiftDown extends Predictor {
|
8 | float[] nextColumn(float[] f) {
|
9 | if (f == null) null; |
10 | float[] g = copyColumn(f); |
11 | for (int i = 1; i < l(f); i++) |
12 | g[i] = f[i-1]; |
13 | ret g; |
14 | } |
15 | } |
16 | |
17 | sclass LookLeft extends Predictor {
|
18 | int width; // how far to look left |
19 | float[][] buf; |
20 | int x; |
21 | |
22 | float[] nextColumn(float[] f) {
|
23 | if (f == null) null; |
24 | if (buf == null) buf = new float[width][]; |
25 | |
26 | // exchange with data in rotating buffer |
27 | // (will return null until buffer is filled) |
28 | float[] g = buf[x]; |
29 | buf[x] = f; |
30 | x = (x+1) % width; |
31 | ret g; |
32 | } |
33 | } |
Began life as a copy of #1004567
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| Snippet ID: | #1004570 |
| Snippet name: | Column Predictors (include) |
| Eternal ID of this version: | #1004570/1 |
| Text MD5: | a1898e52a4bf930afda244cc985667a8 |
| Author: | stefan |
| Category: | javax / a.i. |
| Type: | JavaX fragment (include) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2016-08-21 17:04:56 |
| Source code size: | 713 bytes / 33 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 429 / 795 |
| Referenced in: | [show references] |